12704011136 has 16 divisors (see below), whose sum is σ = 25308772440. Its totient is φ = 6352005504.

The previous prime is 12704011129. The next prime is 12704011181. The reversal of 12704011136 is 63111040721.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12704011136² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49624916 + ... + 49625171.

Almost surely, 2^12704011136 is an apocalyptic number.

12704011136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12704011136 is a deficient number, since it is larger than the sum of its proper divisors (12604761304).

12704011136 is an frugal number, since it uses more digits than its factorization.

12704011136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99250101 (or 99250089 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 12704011136 its reverse (63111040721), we get a palindrome (75815051857).

The spelling of 12704011136 in words is "twelve billion, seven hundred four million, eleven thousand, one hundred thirty-six".